马踏棋盘程序，在8*8的格子中，马（按中国象棋的走法）不重复的将64个点走遍！-Horse Stepping on board procedures, 8* 8 grid, Ma (Chinese chess moves) repeat 64 points all over!

本文介绍用于计算IEEE 754标准的双精度64位浮点二进制数加/减法硬件架构。-In this article, an optimized pipeline hardware architecture for computing IEEE 754 standard double precision 64-bit floating point binary number addition/subtraction was proposed.